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(No Model!) 5 SheetS Sh et 1 L. MUTHER. E. C. HOLLAND & R. G, WOODWARD.

"SEWING MACHINE.

No. 592,806. Patented Now-Z, 1897'.

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(No Model.) 5 Sheets-Sheet 2.

L. MUTHER, EQC. HOLLAND & R. G. WOODWARD. SEWING MACHINE.

N0..59Z,-806. Patented NovQZ, 1897.

WIT/(885.51

(No ModeLj 5 Sheets-Sheet 3.

L. MUTHEILE. O. HOLLAND & R.G.' WOODWARD.

I SEWING MACHINE.

.No. 592,806. Patented Nov. 2,1897.

WITNESSES [NYE/V7058. m r ff,

(No Model.) 5 Sheets-Sheet 4..

L. MUTHERE. O. HOLLAND &- R. G. WOODWARD. SEWING MACHINE.

N0. 592,806. Patented Nov. 2, 1897.

5 Sheets-Sheef 5 (No Model.)

L. MUTHER, E. C. HOLLAND 8B R. G. WOODWARD.

' SEWING MACHINE.

N o. 5 92,8 06, PatentedNov 2, 1897. 5

Inventord ZQAQ @K? M M Witnesses.

Attorney.

UNITED STATES PATENT FFICE.

LORENZ MUTHER, OF OAK PARK, ELIAS CALVIN HOLLAND, OF AUSTIN, AND RUSSELGREEN WVOODWARD, OF WAUKEGAN, ILLINOIS, ASSIGNORS To TH UNION SPECIALILLINOIS.

SEWING-MACHINE.

sE'wINefMACHINE COMPANY, OF CHICAGO,

SPECIFICATION forming part of Letters Patent No. 592,806, dated November2, 1897. Application filed March 1, 1894. Serial No. 501,942. (Nomodel.)

To aZZ whom it may concern:

More particularly our invention relates to I that class ofsewing-machines in which a trimmer is employed to trim the edge of thematerial as it is stitched by the needles.

A portion of our invention relatesto means for adjusting the needlelaterally with .ref-

erence to the/trimmer, whereby the material may be trimmed more or. lessclosely to the line of stitches as the lateral distance between theneedle and trimmer is decreased or increased. In carrying out thisportion of our invention We employ a swinging head or.

frame which carries the needle-bar and its needle and may be moved uponits fulcrum, so as to move the needle laterally with reference to thetrimmer. This portion of ourin- 3o vention also includes devices forimparting, limiting, and adjusting the amount of lateral throw impartedto the swinging frame and its needle-bar and needle.

Another portion of our invention relates 3 5 to devices for throwing thetrimmer into and out of action, whereby the same may be accomplishedquickly and easily and without suspending the stitching operation. Forthis purpose we employ a power-actuated part, a slide or movable pieceoperated by, the poweractuated part and movable to and from the centerof movement thereof to vary the extent of movement imparted to the slideby the poweractuated part, and suitable powertransmitting connectionsbetween the slide and the trimmer, whereby the movements of the trimmerdepend upon the movementsimparted to the slide by its power-actuated.part. When the slide is moved into substantial coincidence with theaxis of the center of movement of the power-actuated part,no effectivemovement is imparted to the slide, and consequently the trimmer is notoperated. Theoperation of the .trimmer is thus controlled by themovement of the slide. 1 Our invention also includes certainimprovements in the devices ,for locking the presser-foot with referenceto the needle-bar frame.

. We shall now refer to the accompanying 6o drawings for the purpose ofmore explicitly describing our improvements.

- Figure 1 is a front elevation of a sewing and trimming machineembodying our improvements with the cloth-plate in longitudinal sectionto expose the lower portions of the machine. Fig. 2is rear elevation ofthe same withthe cloth-plate removed. Fig.3 isafront end elevation ofthe machine. Fig.4 is a transverse vertical sectional View on the line wx of Fig. 2. Fig. 5 is a perspective View of the head of the overhangingarm, with details of the devices for moving the swinging needlebar frameor head. Fig. 6 is a perspective view .of the detached swingingneedle-bar frame or head and of the presser-foot catch which it carries.Fig. 7 isa perspective view of the detached presser-foot and frame. Fig.

8 is a similar view of the detached trimmerheadu Fig. 9 is asimilar-view of a portion of the trimmer actuating and controllingdevices. Fig. 10 is a perspective View of a portion of the cloth-plate,illustrating our improvements in the needle-plate. Fig. 11 is anenlarged perspective view of the head end of the machine.

For the purpose of more clearly explaining our improvements we haveshown them applied to a sewing-machine of the general characterdescribed in Letters Patent No. 299,568, 0 grantedJune 3, 1884, to L.Mother and Charles A. Dearborn.

A is the base-frame, B the overhanging arm, and O the driving-pulley onthe shaft 0.

D is the needle-bar, carrying the needle and operated by the rockingneedle-arm B, which is rocked from an eccentric c on the shaft 0 throughthe eccentric-rod C E is the looper, carried by a rocking frame E,pivoted, as at e, to a transversely-rocking frame E journaled as at e c.

F is a pitman connected with the looperframe E at one end and at theother end with the rocking needle-arm B, by which it is reeiproeated torock the looper-frame E upon its pivot e. The frame E is rockedtransversely by a cam on the shaft C, working in a frame E carried bythe frame E.

G is the presser-bar, carrying the presserfoot g. G is the presser-barlifter.

II is the needle-plate, provided with-the spring cutter-plate it.

So far as we have described the machine it is of well-kn ownconstruction. In addition to the parts referred to it embodies suchother parts as are usual to sewing-machines of this character.

I is the needle-bar frame or head, hinged, as at t', on a transverseaxis to the head B of the overhanging arm 13, and is provided withvertical guides I I for the needle-bar D. The needle-bar is thus guidedin this pivoted head-frame I, which is free to swing upon its hinge orpivot 6, thus moving the needle-bar and needle laterally.

I is a projecting arm ofthe head I, having a curved notch 1 whichreceives a cam J on a rocking stud J, journaled on a bearingjin the head13 01? the overhanging arm 13. By

rocking the stud J and its cam J the head I may be rocked or swung onits pivot 11.

To rock the stud J and its cam, it may be provided with an arm J To holdthe stud J firmly in its hearing, so as to prevent accidental movement,we employ a spring J upon the rear end of the stud J, bearing againstthe rear face of the head B and held by a nut J on the threaded end ofthe stud. (See Figs. 2 and 5.) By tightening the nut J the tensionof'the springmay be increased, thus drawing the stud into its bearingand holding it against accidental movement. The spring also acts to takeup wear and thus to prevent the stud becoming loose.

To limit the throw of the cam J, and thus the movement of the swinginghead I, we employ stops K K, carried by the head of the arm B andlocated on each side of a pin or lug J 011 the cam J or stud J. Thesestops K K may be made with eccentric heads 76 7;, so that by turningeither stop the limit of throw of the cam J in either direction, andconsequently the throw of the swinging head I, may be adjusted. Thestops K K are preferablyconstructed as pins journaled in bearings 7; If,in the head B and held by nuts 76 on their rear ends.

L is the trimmer bar or frame, which carries the trimmer Z and iscarried and guided on the presser-bar G. The trimmer-frame is providedwith vertical guides L L, by which it is guided in its reciprocationsupon the presser-bar G.

The upper end of the frame L is connected, as at Z, through a connectionL to an arm L of a rock-shaft M. The rock-shaft M is journaled inbearings m m in the casting or arm 13 and is provided at its rear endwith an arm M.

'N is a connecting-rod connected at its upper end with the arm M" andprovided at its lower end with a slide N, which is guided on apower-actuated part 0, as upon the transverse rod 0, and is adjustablethereon to and from the center of movement of the poweractuated part 0.The power-actuated part is shown as a rocking frame 0, j ournaled, as ato, in a frame 0 at the back of the machine, and is rocked at its forwardend by a cam C on the shaft 0. Ve have shown this cam C working in aslide C", located between ways 0 in the rocking frame 0. (See Fig. 9.)As the frame 0 is rocked by the cam a reciprocating movement is impartedto the connecting-rod N. The shaft M is rocked through the arm M andtransmits motion through the arm L and connection L to the trimm erframeL and trimmer Z. The operation of the trimmer is thus controlled by themovement of the connecting-rod N, and to throw the trimmer into or outof action it is necessary to control the operation of that red. This isaccomplished by means of the slide N, for, as the extent of movement ofthe rod N depends upon the distance of the slide N from the center ofmovement or fulcrum 0 of the power-actuated part or rockin g frame 0, itis apparent that when the slide N' is moved upon its guide-rod O to aposition in line with the fulcrum 0 no effective movement will beimparted to'the rod N by reason of the roeking of the frame 0'.Consequently to throw the trimmer Z out of action it is only necessaryto move the slide N back upon the rod 0 into a position adjacent to thefulcrum 0. To permit the slide to be thus moved back into a positionsubstantially coincident with the fulcrum 0, the frame 0 is extended, asat 0, beyond the fulcrum, and the rod N is correspondingly lengthened,so that when the slide N is moved back its center or point of connectionwith the rod N will be substantially coincident with the fulcrum 0.

To move the slide N back and forth on its guide 0, we employ a lever I,pivoted at its upper end, as at p, to the casting or arm 13 andconnected at its lower end, which extends through a slot in thecloth-plate A, with the slide N, as through a link I". For operating thelever it is provided with a projecting arm or handpiece P above thecloth-plate, and this operating arm or handpiece may be locked in itstwo extreme positions by means of a spring-catch Q, carried by thecasting or arm 13 and engaging notches q q in the piece P This catch orlock by locking the arm or handpiece P also looks the slide N in eitheradjusted position and prevents accidental movement thereof.

R is a presser-foot catch carried by the head I and having an upturnedlug or end 1'.

S is the presser-foot arm, which carries the roller presser-foot g andis hinged, as at s, to a collar or clamp S, by which it is secured tothe presser-bar G.

T is a catch (shown notched or forked) carried by the presser-foot arm Sand adapted to engage the lug or end 'rof the presser-foot catch R. Weprefer to construct the catch T with provision for lateral adjustmentupon the arm S, and for this purpose have shown it attached to the arm Sby a pin and slot 75.

In Fig. 1 the catch T is shown engaged with the catch R. It is apparentthat the presserfoot frame S and its foot 9 will move with the head Iand needle cl. When the presser-bar G is lifted by the lifter G, thecatch T is lifted from engagement with the catch R and the presser-framemay be swung away from the needle (1 on its hinge 8. When the frame S isswung back and the presser-bar G is lowered, the catches T and R willagain engage.

From the foregoing description the opera tion of the apparatus will bereadily understood.

Supposing the parts to occupy the relative positions shown in Fig. l,with the needle 01 close to the trimmer Z, it is obvious that thematerial will be trimmed close to the line of stitches made by theneedle. Whenever a wider margin is desired, the operator throws the camJ to the left in Fig. 1 by means of the handle J The cam when thus movedacts upon the notched arm I of the head I and swings the head upon itsfulcrum i to the left. As the needle-bar D is carried by the head I, itis also moved to the left, and the needle d is moved laterally away fromthe cutter or trimmer Z, so that the material will be trimmed lessclosely to the line of stitches. As the head I swings upon the fulcrumt' in the head of the arm B, the needle d, when thus moved away from thetrimmer, will be at a slight angle to the trimmer. As has been explained, the throw of the cam J to the right or left is limited by thestops K K, and this limit may be varied to increase or decrease thethrow in either direction by turning these eccentric-headed stops.

The operator of the trimmer or cutter Z is under the control of theoperator through the handpiece P When the handpiece is pulled forwardinto the position shown in Figs. 3, 4, and 9, with the catch Q engagingthe rearmost notch q,"the lever I is moved forward on its fulcrum p andthrough the connection P "the slide N is moved forward on the guide 0,so that the connecting-rod N is reciprocatedup and down by the rockingframe 0. The rock-shaft M and trimmerhead L are therefore operated.

To throw the trimmer out of operation, the piece I is pushed back untilthe spring Q engages the foremost notch q. By this means the lever P isrocked backward and theslide N is moved rearwardly on the guide 0 into aposition adjacent to the fulcrum 0, so that the rocking of the frame 0does not impart effective motion to the rod N. The trimmerhead Ltherefore remains at rest. Thus by the simple movement of the handpieceP the trimmer Z is thrown into or out of operation and the use ofclutches is avoided.

As the trimmer Z reciprocates in the act of cutting it passes betweenthe edges of the needle-plate H and the spring-plate it. There is moreor less wear upon the-edge of the plate H, so that it becomes dulled,and a less perfect cutting of the material results. For the purpose ofpermitting this edge to be easily sharpened we employ an elevated orraised portion 72. to form the cutting edge of the plate H, so that asthe edge becomes worn the surface may be ground down to restore a sharpedge. i

We do not limit ourselves to the details of construction shown, as it isapparent that they may be modified without departing from the invention.

What we claim as new, and desire to secure by Letters Patent, is asfollows: 1. In a sewing-machine, the combination with a stationary arm,of a pivoted adjustable needle-bar head supported by the stationary arm,a needle-bar guided in the needle-bar head and adjustable therewith,power devices to impart movement to the needlebai in the needle-barhead, a looper-needle pivoted on a horizontal axis and movable in avertical plane, a trimmer having its cutting edges arranged transverselyto the plane of reciprocation of the looper-needle, and devices forrocking the needle-bar head on its pivoted connection to adjust itslower end in a plane parallel with the plane of the looperneedleandtransversely to the plane of the trimmer-blades and to maintain it insuch adjusted position.

2. In a sewing and trimming machine, the combination with a trimmer, ofa swinging needle-bar head provided withan arm extension, an adjusting-cam acting upon said arm extension to adjust the head andmaintain itin adjusted position, adjustable stops to limit the throw ofsaid cam, and the needle-bar and its needle guided in said swinginghead.

3. In a sewing and trimming machine, the combination of the overhangingarm, the trimmer, a swinging head pivoted to the overhanging arm andprovided with an arm extension, the needle-bar and its needle guided insaid swinging head, and means to adjust the swinging head and maintainit in adjusted position, consisting of a cam J acting on the armextension of the swinging head, carried by a stud J j ournaled in thehead of the overhanging arm of the machine.

' 4. In a sewing and trimming machine, the combination of theoverhanging arm, the trimmer, a swinging head pivoted to the overhangingarm and provided with an arm extension, the needle-bar and its needleguided in said swinging head, and means to move the swinging head,consisting of 'a cam J acting on the arm extension of the swinging head,

carried by a stud J jonrnaled in the head of the overhanging arm of themachine, the spring J between the rear end of the stud and theoverhanging arm, and the fasteningnut J.

5. In a sewing and trimming machine, the combination of the overhangingarm, the trimmer, the swinging head pivoted to the overhanging arm andprovided with an arm extension, the cam J acting on the arm extension tomove the swinging head on its fulcrum provided with a projection J theeccentric stops K, K, located on each side of the projection J 5 tolimit the throw of the cam in either direction, and the needle-bar andneedle guided in the swinging head.

6. In a sewing and trimming machine, the

combination with the needle-bar and needle,

of a trimmer, a rocking frame, a slide carried by the rocking frame andmovable thereon to and from the fulcrum of the frame, andpowertransmitting connections between the movable slide and the trimmer,whereby the movements of the slide upon the frame to and from thefulcrum thereof will control the movements of the trimmer, and anoperatinglever P connected with said slide.

7. 111 a sewing and trimming machine, the combination with theneedle-bar and needle, of a trimmer, a rocking frame, a slide carried bythe rocking frame and movable thereon to and from the fulcrum of theframe, powertransmitting connections between the movable slide and thetrimmer, whereby the movement of the slide upon the frame to and fromthe fulcrum thereof will control the movements of the trimmer, anoperatinglever P connected with said slide, and means to lock said leverin its two extreme positions.

8. In a sewing and trimming machine, the combination with the needle-barand needle, of a trimmer, a rocking frame, a slide carried by therocking frame and movable thereon to and from the fulcrum of the frame,powertransmitting connections between the movable slide and the trimmer,whereby the movement of the slide upon the frame to and from the fulcrumthereof will control the movements of the trimmer, a lever P connectedwith said slide, and handpieee P for operating the lever P.

9. In a sewing and trimming machine, the combination with the needle-barand needle, of a trimmer, a rocking frame, a slide carried by therocking frame and movable thereon to and from the fulcrum of the frame,powertransmitting connections between the movable slide and the trimmer,whereby the movement of the slide upon the frame to and from the fulcrumthereof will control the movements of the trimmer, a lever P connectedwith said slide, handpiece P for operating the lever P, provided withcatches q, q, and a spring Q adapted to engage either of said catchesand thus lock the lever P in its extreme positions.

10. In a sewing and trimming machine, the

combination with the needle-bar and needle, of a trimmer, a rockingframe 0 fulcrumed as at 0, a slide N carried by the frame 0 and movablethereon to and from the fulcrum, and connections between the slide N andthe trimmer.

11. In a sewing and trimming machine, the combination with theneedle-bar and needle, of a trimmer, a power-actuated part, a slidecarried by said power-actuated part and movable thereon to and from thecenter of movement thereof whereby the extent of movement imparted tosaid slide by the power-actuated part may be increased or diminished asthe slide is moved from or to the said center of movement, andpower-transmittin g connections between said slide and the trimmer.

12. In a sewing and trimming machine, the combination with theneedle-bar and its needle, of a trimmer, a rock-shaft M, connectionsbetween the rock-shaft M and the trimmer, a power-actuated part, a slideoperated by said power-actuated part and movable to and from the centerof movement thereof, Whereby the extent of movement imparted to saidslide by the power-actuated part may be increased or diminished as theslide is moved from or to said center of movement, and connectionsbetween said slide and rock-shaft M, whereby the movements of thetrimmer are controlled by the movements of the slide.

13. In a sewing-machine, the combination with a needle-bar frame and theneedle-bar and its needle guided therein, of the presserbar, apresser-foot carried by the presser-bar 011 a hinged connection andprovided with a catch-frame, and a catch on the needle-bar frame adaptedto engage the catch-frame of the presser-foot when the presser-bar islowered and hold it locked until the presser-bar is elevated.

1 f. In a sewing-machine, the combination with a needle-bar frame andthe needle-bar and its needle guided therein, of the presserbar, apresser-foot carried by the presser-bar on a hinged connection andprovided with a catch-frame, and a catch on the needle-bar frame adaptedto enter the catch-frame of the presser-foot when the presser-bar islowered and hold it locked until the presser-bar is elevated, thecatch-frame carried by the presser-foot being susceptible of lateraladjustment.

15. In a sewing-machine, the combination with the needle-bar frame andthe needle-bar and its needle guided therein, of the presserbar, thepresser-foot frame S hinged to the presser-bar, the presser-foot carriedby the presser-foot frame, the notched catch-frame T carried by theframe S, and the catch R carried by the needle-bar frame and having theupturned end 7' adapted to enter the notch of the catch-frame T when thepresser-bar is lowered and lock the presser foot frame against lateralmovement.

16. In a sewing-machine, the combination with a trimmer, of a pivotedneedle-bar head provided with an arm extension, means to act upon saidarm extension to adjust the head and maintain it in such adjustedposition, adjustable stops to limit the swing of said needle-bar head,and the needle-bar and its needle guided in said pivoted needle-barhead.

17. In a sewing-machine, the combination with a trimmer, a pivotedneedle-bar head, the needle-bar and its needle guided therein, apresser-foot, and means connecting the presser-foot and needle-bar headwhereby they may be moved to and from the trimmer. 18. In asewing-machine, the combination with a trimmer, a pivoted needle-barhead, the needle-bar and its needle guided therein, of apresser-footremovably secured to said needle-bar head and means formoving theneedle-bar head and presser-foot to and from the trimmer.

19. In a sewing-machine, the combination of a pivoted needle-bar head,the needle-bar and its needle guided therein, a presser-foot frameremovably connected with the pivoted needle-bar head and means to adjustthe presser-foot frame and presser-foot to and from the needle.

20. In a sewing-machine, the combination with a trimmer, a pivotedneedle-bar head,

the needle-bar and its needle guided in'the needle-bar head, of apresser-foot,and presser-.

foot frame removably connected with the pivoted needle-bar head, andmeans to adjust the presser-foot frame and presser-foot to and from thetrimmer.

21. In a sewing-machine the combination with a trimmer, a pivotedneedle-bar head, the needle-bar and its needle guided therein, of apresser-bar, a presser-foot carried by the presser-bar on a hingedconnection and removably secured to said pivoted needle-bar head andmeans for moving the presser-foot and needle to and from the trimmer.

22. In a sewing-machine, the combination with a trimmer, a pivotedneedle-bar head, the needle-bar and its needle guided therein, of apresser-bar, a presser-foot frame carried by the presser-bar on a hingedconnection and provided with a catch-frame, and a catch on the pivotedneedle-bar head adapted to enter the catch-frame of the presser-footframe when the presser-bar is lowered and hold it locked till thepresser-bar is raised, and means for moving the needle and presserfootto and from the trimmer.

presser-bar into position to act upon the cloth and to be disengagedtherefrom when the presser-foot is moved out of action.

24. In a sewing-machine, the combination with a trimmer, of anadjustable needle-bar head, a presser-foot frame provided with a lockingdevice, and a catch carried by the adjustable needle-bar head in aposition to engage the locking device of the presser-foot frame when thepresser-foot is lowered into operative position and to be disengagedtherefrom when the. presser-foot is moved out of action.

25. In a sewing-machine, the combination of a trimmer, means connectedwith the trimmer forimparting motion thereto when said means areactuated, a power-actuated driving part, and intermediate connectionsbetween the power-actuated driving part and "the means connected withthe trimmer, having provision for adjustment to vary the extent ofmovement imparted to said means connected with the trimmer, whereby theextent of movement of the trimmer may be varied by. the adjustment ofsaid intermediate connections.

26. In a sewing-machine, the combination with the rock-shaft M, andmechanism operated thereby, of a power-actuated driving part andintermediate connections between the rock-shaft M and the power-actuateddriving part having provision for adjustment to vary the extent ofmovement imparted to the rock-shaft and the mechanism operated thereby.

In testimony of which invention we have hereunto set our hands.

LORENZ MUTI-IER. ELIAS CALVIN HOLLAND. RUSSEL GREEN WOODWARD.

IVitnesses:

W. S. NORTH, O. MoNEIL.

